BSPH series of public address Combined amplifiers are available at power ratings from 30W to 350W.

Priority musting is achieved via MIC1 for overriding BGM for paging and emergency notification. Mute depth is adjustable. Individual gain controls are provided for MIC and AUX inputs, bass and treble controls are provided for overall tone control. 4 /6 ohms, 70V and 100V speaker outputs are provided, extensive protection against short-circuit, clipping and over-temerature.

Their main features as follows:
* Three MIC inputs (two line inputs to mix with MIC2 and MIC3)

* Two AUX line inputs

* Two EMC audio signal priority inputs

* MIC1 has the highest priority over all inputs.

* Individual gain controls for MIC and AUX.

* Bass and treble tone controls

* 4 /6 ohms, 70V and 100V speaker outputs

* Optional rack-mount kit